/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

package control;

import java.io.IOException;
import java.io.PrintWriter;
import java.sql.ResultSet;
import java.sql.SQLException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import model.HumanPlayer;
import model.Player;

/**
 *
 * @author Dustin
 */
public class IndexServlet extends HttpServlet {
   private GameServer gameServer = GameServer.getInstance();

    /** 
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        try {
            /* TODO output your page here
            out.println("<html>");
            out.println("<head>");
            out.println("<title>Servlet IndexServlet</title>");  
            out.println("</head>");
            out.println("<body>");
            out.println("<h1>Servlet IndexServlet at " + request.getContextPath () + "</h1>");
            out.println("</body>");
            out.println("</html>");
            */
        } finally { 
            out.close();
        }
    } 

    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {

    } 

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        HttpSession session = request.getSession(true);

        if(request.getParameter("action").equals("Inloggen")) {
            String userName = request.getParameter("username").trim();
            String password = request.getParameter("password").trim();

            if(userName != null && password != null) {
                try {
                    ResultSet results = gameServer.getDatabase().query("SELECT name FROM PLAYERS WHERE name = '" + userName + "' AND password = '" + password + "'");
                    if(results.next()) {
                        Player p = new HumanPlayer(userName);
                        gameServer.addPlayer(p);
                        session.setAttribute("player", p);
                        response.sendRedirect("/Eenendertigen/mainHall.jsp");
                    } else {
                        //Waarschuwing Player met ingevoerde naam bestaat niet. Opnieuw laten proberen
                        System.out.println("User does not exist");
                    }
                } catch (SQLException ex) {
                    ex.printStackTrace();
                }
            }
        } else if(request.getParameter("action").equals("Registreren")) {
            String userName = request.getParameter("username").trim();
            String password = request.getParameter("password").trim();

            if(userName != null && password != null) {
                try {
                    ResultSet results = gameServer.getDatabase().query("SELECT name FROM PLAYERS WHERE name = '" + userName + "'");
                    if(!results.next()) {
                        Player p = new HumanPlayer(userName);
                        gameServer.addPlayer(p);
                        session.setAttribute("player", p);
                        response.sendRedirect("/Eenendertigen/mainHall.jsp");
                    } else {
                        //Waarschuwing naam bestaat al. Opnieuw laten proberen
                        System.out.println("User exists");
                    }
                } catch (SQLException ex) {
                    ex.printStackTrace();
                }
            }
        } else if(request.getParameter("action").equals("Aanmelden")) {
            response.sendRedirect("/Eenendertigen/signup.jsp");
        } 
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>

}
